This is the second official release of the HHfrag software, as described in:
Download HHfrag from here:
This release contains all supporting database files and documentation required to run the program. HHfrag is part of CSB, so no source code is included in this package. If you are looking for the source code, please navigate to CSB, package "csb.apps.hhfrag". Download the matching CSB release from here:
For more information and installation instructions please refer to the README files included in the release packages.